<template>
    <div>
        <div id="slider" class="mui-slider">
            <div id="sliderSegmentedControl"
                 class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
                <div class="mui-scroll">
                    <a :class="['mui-control-item',item.id==0?'mui-active':'']" v-for="item in cates" :key="item.id"
                       @tap="getPhotoByCategoryId(item.id)">
                        {{item.title}}
                    </a>
                </div>
            </div>
        </div>
        <ul class="photo-list">
            <router-link v-for="item in list" :key="item.id" tag="li" :to="'/home/photoinfo/'+item.id">
                <img v-lazy="item.img_url">
                <div class="info">
                    <div class="info-title">{{item.title}}</div>
                    <div class="info-content">{{item.zhaiyao}}</div>
                </div>
            </router-link>
        </ul>
    </div>
</template>

<script>
    import mui from '../../../../dist/js/mui.min.js'

    export default {
        data() {
            return {
                cates: [],
                list: []
            }
        },
        created() {
            this.getAllCategory();
            this.getPhotoByCategoryId(0);
        },
        mounted() {
            mui('.mui-scroll-wrapper').scroll({
                deceleration: 0.0005 //flick 减速系数，系数越大，滚动速度越慢，滚动距离越小，默认值0.0006
            });
        },
        methods: {
            getAllCategory() {
                this.$http.get("api/getimgcategory").then(result => {
                    if (result.body.status === 0) {
                        result.body.message.unshift({title: "全部", id: 0});
                        this.cates = result.body.message
                    }
                })
            },
            getPhotoByCategoryId(cateId) {
                this.$http.get("api/getimages/" + cateId).then(result => {
                    if (result.body.status === 0) {
                        this.list = result.body.message
                    }
                })
            }
        }
    }
</script>

<style lang="scss" scoped>
    * {
        touch-action: pan-y;
    }

    .photo-list {
        list-style: none;
        margin: 0;
        background-color: #fff;
        padding: 10px;
            li {
                background-color: #ccc;
                text-align: center;
                margin-bottom: 10px;
                box-shadow: 0 0 9px #999;
                position: relative;
                img {
                    width: 100%;
                    vertical-align: middle;

                }
            img[lazy=loading] {
                width: 40px;
                height: 300px;
                margin: auto;
            }
                .info {
                    position: absolute;
                    background-color: rgba(0,0,0,0.4);
                    bottom: 0;
                    color: #fff;
                    text-align: left;
                    max-height: 84px;
                   .info-title{
                        font-size: 14px;

                    }
                    .info-content{
                        font-size: 12px;
                    }
                }
    }

    }
</style>